*{margin:0px;padding:0px}
.main{
	width: 1200px;
	height:800px;
	margin:0 auto;

}
.main_nav{
	width:1200px;
	height:40px;

}
.main_nav ul{
	list-style: none;
	margin-left:40px;

}
.main_nav ul li{
	height:40px;
	font-family: "微软雅黑";
	font-size: 14px;
	text-align:center;
	line-height: 40px;
	margin-left:10px;
	float:left;	
}
.main_nav ul li:after{

	  content:">";
	  color:black;
	  margin-left:10px;
  }
 .main_nav ul .last:after{
      content:"";}

h1{
	
	font-size:30px;
	font-family:"微软雅黑";
	color:#ff8a00;
	font-weight:normal;
	text-align:center;
	margin:30px 0px;
}
h3{
	float:left;
}
table{margin:0px auto;}
table tr td{text-align:center}
table tr td span{
	font-size:15px;
	font-family:"微软雅黑";
}
input[name=num]{
	width:40px;
	height:30px;
	
}
.change{
	
	font-size:25px;
	font-family:"微软雅黑";
	text-decoration:none;
	color:black;
}

input[name=sub]{
	background:white;
	border:0;
	font-size:15px;
	font-family:"微软雅黑";

}
.del{
	font-size:15px;
	font-family:"微软雅黑";
	text-decoration:none;
	color:black;
}


.pay{
	font-size:18px;
	font-family:"微软雅黑";
	padding:7px 30px;
	background:#ff8a00;
	text-decoration:none;
	color:white;
	border-radius:3px;
}
.sprice{
	font-size:23px;
	color:#ff8a00;
}